futures - n. [always plural] finance. goods or shares that are bought at prices which are agreed to now but that are delivered at a later time
code - n. instructions in a computer program
anonymous - adj. not named or identified
verify - v. to prove, show, find out, or state that (something) is true or correct
blockchain – n. a global running record of every bitcoin transaction
transaction - n. an occurrence in which goods, services, or money are passed from one person or account to another